package com.atguigu.gulimall.product.config;

import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.concurrent.Executors;
import java.util.concurrent.LinkedBlockingDeque;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;

@Configuration
public class MyThreadConfig {
    /**
     * 创建线程池
     * 一般做配置文件配置
     * @param pool
     * @return
     */
    @Bean
    public ThreadPoolExecutor threadPoolExecutor(ThreadPoolConfigProperties pool){
        return new ThreadPoolExecutor(
            pool.getCoreSize(),//核心线程数
            pool.getMaxSize(),//最大线程数
            pool.getKeepAliveTime(),//空闲线程存活时间
            TimeUnit.SECONDS,//时间单位
            new LinkedBlockingDeque<>(1000000),//阻塞队列
            Executors.defaultThreadFactory(),//线程工厂
            new ThreadPoolExecutor.AbortPolicy()//拒绝策略
        );
    }
}
